Consider an application for a training institute. Here, a participant can enroll for multiple courses. A course can be enrolled by many participants. Assessments are conducted for courses and marks are awarded to participants. A participant is allowed to take assessment only once for a course. A participant can enroll for a course only if he/she has undertaken the prerequisite course. The below relations are created for the application.Participant (ParticipantId, Name, Address)Course (CourseId, Desc, Duration, Prerequisite)Assessment (CourseId, Marks, ParticipantId)Identify the Primary key for Assessment relation.CourseIdMarksParticipantId{CourseId, ParticipantId}

It is the student's responsibility to determine if they have met the eligibility requirements (pre-requisite/co-requisite) for a course.Group of answer choicesTrueFalse

A university registrar’s office maintains data about the following entities: (a)courses, including number, title, credits, syllabus, and prerequisites; (b) courseofferings, including course number, year, semester, section number, instructor(s),timings, and classroom; (c) students, including student-id, name, and program;and (d) instructors, including identification number, name, department, and title.Further, the enrollment of students in courses and grades awarded to studentsin each course they are enrolled for must be appropriately modeled.Construct an E-R diagram for the registrar’s office. Document all assumptionsthat you make about the mapping constraints.

NSERT INTO Courses (CourseID, CourseName, Credits, InstructorID) VALUES (101, NULL, 3, 1);Group of answer choicesKey constraintNo ViolationEntity integrity constraintReferential int

A marking scheme should be shared with students...Question 5Answera.Neverb.After the examc.Only if they request itd.At the beginning of the course

Course(course_id,sec_id,semester)Here the course_id,sec_id and semester are __________ and course is a _________.OptionsRelations, AttributeTuples, SetTuples, AttributesAttributes, Relation